PL304926A1 - Hydraulic of shielded roof support for a longwall with fluid stowing material - Google Patents

Hydraulic of shielded roof support for a longwall with fluid stowing material

Info

Publication number
PL304926A1
PL304926A1 PL30492694A PL30492694A PL304926A1 PL 304926 A1 PL304926 A1 PL 304926A1 PL 30492694 A PL30492694 A PL 30492694A PL 30492694 A PL30492694 A PL 30492694A PL 304926 A1 PL304926 A1 PL 304926A1
Authority
PL
Poland
Prior art keywords
longwall
hydraulic
fluid
roof support
stowing material
Prior art date
Application number
PL30492694A
Inventor
Guenther Kuschke
Original Assignee
Hemscheidt Maschf Hermann
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hemscheidt Maschf Hermann filed Critical Hemscheidt Maschf Hermann
Publication of PL304926A1 publication Critical patent/PL304926A1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0481—Supports specially adapted for use in combination with the placing of filling-up materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Lining And Supports For Tunnels (AREA)
PL30492694A 1993-09-06 1994-09-05 Hydraulic of shielded roof support for a longwall with fluid stowing material PL304926A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19934330086 DE4330086C1 (en) 1993-09-06 1993-09-06 Hydraulic shield-type powered support assembly for a hydraulic stowing face

Publications (1)

Publication Number Publication Date
PL304926A1 true PL304926A1 (en) 1995-03-20

Family

ID=6496957

Family Applications (1)

Application Number Title Priority Date Filing Date
PL30492694A PL304926A1 (en) 1993-09-06 1994-09-05 Hydraulic of shielded roof support for a longwall with fluid stowing material

Country Status (2)

Country Link
DE (1) DE4330086C1 (en)
PL (1) PL304926A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101265808B (en) * 2008-04-16 2010-04-07 刘兴才 Coal mine conjuncted asynchronous bracket filled block wall
CN101793164B (en) * 2010-03-18 2012-08-22 张小康 Device for compacting filled materials in coal mining goaf
CN109931087A (en) * 2019-04-03 2019-06-25 任建利 Mobile scalable stack-type bar timber

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2401832C2 (en) * 1974-01-16 1984-04-05 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Backfill wall tracked as the expansion progresses, especially for thick seams and flush backfill
DE2806982C2 (en) * 1978-02-18 1986-08-14 Gewerkschaft Eisenhütte Westfalia GmbH, 4670 Lünen Striding extension for blow molding plants in inclined storage
DE2814582C2 (en) * 1978-04-05 1980-02-07 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Hydraulic support frame with shielding wall and blow line

Also Published As

Publication number Publication date
DE4330086C1 (en) 1995-03-30

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